IWC Da Vinci Perpetual Calendar IW375026

Da Vinci Perpetual Calendar : IW375026

The IWC Da Vinci Perpetual Calendar, reference IW375026, was released in 1985 as part of the renowned Da Vinci collection. This timepiece features a polished rose gold case with a diameter of 39 mm and a solid caseback, offering a classic and elegant aesthetic. The black dial is complemented by contrasting sub-dials, providing both functionality and visual interest. Inside, it houses IWC's innovative perpetual calendar mechanism, first introduced with this model, which automatically accounts for leap years and varying month lengths without manual adjustment. The watch is equipped with hinged lugs for added comfort and wearability. Initially fitted with plexiglass, it also offered an option for sapphire crystal upon request. This model marked a significant development in watchmaking technology and has been integrated into various other collections by IWC and even inspired collaborations with brands like Jaeger-LeCoultre.